:root {
  --bg: #f4f5f2;
  --card: #ffffff;
  --text: #1d2420;
  --muted: #66706a;
  --line: #dfe3de;
  --accent: #2f6f5e;
  --on-accent: #ffffff;
  --header: #2f6f5e;
  --accent-soft: #e2efea;
  --in: #2f7d4f;
  --out: #b4483c;
  --warn: #c98a12;
  --shadow: 0 1px 2px rgb(0 0 0 / 6%), 0 2px 8px rgb(0 0 0 / 4%);
  --c1: #2f6f5e; --c2: #e0a030; --c3: #4f7cc0; --c4: #c0574a; --c5: #8a63b5;
  --kk-bg: #f5e6c8; --kk-fg: #7a5300;
  --var-bg: #dde8f7; --var-fg: #2b5590;
  --opt-bg: #f6dcd8; --opt-fg: #8c2f24;
  --c6: #3fa1a0; --c7: #b07a4f; --c8: #7f8c3a; --c9: #c46a9c; --c10: #5c6b73;
  color-scheme: light;
}
/* Dunkel: automatisch nach System (außer „hell“ gewählt) oder ausdrücklich gewählt */
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --bg: #141816;
    --card: #1d2320;
    --text: #e6ebe7;
    --muted: #97a29b;
    --line: #2f3833;
    --accent: #5fb39a;
    --on-accent: #0f1a16;
    --header: #1f4a3f;
    --accent-soft: #23342e;
    --in: #6cc28e;
    --out: #e57c6f;
    --warn: #e6b14a;
    --shadow: none;
    --kk-bg: #3b3221; --kk-fg: #f0c674;
    --var-bg: #22304a; --var-fg: #9dbcf0;
    --opt-bg: #432622; --opt-fg: #f0a497;
    color-scheme: dark;
  }
}
:root[data-theme="dark"] {
  --bg: #141816;
  --card: #1d2320;
  --text: #e6ebe7;
  --muted: #97a29b;
  --line: #2f3833;
  --accent: #5fb39a;
  --on-accent: #0f1a16;
  --header: #1f4a3f;
  --accent-soft: #23342e;
  --in: #6cc28e;
  --out: #e57c6f;
  --warn: #e6b14a;
  --shadow: none;
  --kk-bg: #3b3221; --kk-fg: #f0c674;
  --var-bg: #22304a; --var-fg: #9dbcf0;
  --opt-bg: #432622; --opt-fg: #f0a497;
  color-scheme: dark;
}

* { box-sizing: border-box; }
body {
  margin: 0;
  font: 15px/1.45 system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  background: var(--bg);
  color: var(--text);
}
button, input, select, textarea { font: inherit; color: inherit; }
a { color: var(--accent); }

.top {
  position: sticky; top: 0; z-index: 5;
  background: var(--header); color: #fff;
  padding: 10px 16px 0;
}
.top-row { display: flex; align-items: center; justify-content: space-between; gap: 12px; flex-wrap: wrap; max-width: 1280px; margin: 0 auto; }
.top h1 { font-size: 1.15rem; margin: 0; }
.month-nav { display: flex; align-items: center; gap: 4px; }
.month-nav button {
  background: rgb(255 255 255 / 15%); border: 0; color: #fff; border-radius: 8px;
  padding: 6px 12px; cursor: pointer; font-size: 1rem;
}
.month-nav .month-label { min-width: 150px; font-weight: 600; }
.tabs { display: flex; gap: 2px; overflow-x: auto; max-width: 1280px; margin: 8px auto 0; scrollbar-width: none; }
.tabs button {
  background: none; border: 0; color: rgb(255 255 255 / 80%); padding: 8px 12px; cursor: pointer;
  border-bottom: 3px solid transparent; white-space: nowrap;
}
.tabs button.active { color: #fff; border-bottom-color: #f2c14e; font-weight: 600; }

main { max-width: 1280px; margin: 0 auto; padding: 16px; }
h2 { font-size: 1.1rem; margin: 24px 0 10px; }
h2:first-child { margin-top: 0; }
h3 { font-size: 1rem; margin: 0 0 8px; }
.muted { color: var(--muted); }
.small { font-size: .85rem; }
.num { text-align: right; font-variant-numeric: tabular-nums; white-space: nowrap; }
.pos { color: var(--in); }
.neg { color: var(--out); }

.grid { display: grid; gap: 12px; }
.kpis { grid-template-columns: repeat(auto-fit, minmax(170px, 1fr)); }
.two { grid-template-columns: repeat(auto-fit, minmax(320px, 1fr)); }
.card { background: var(--card); border: 1px solid var(--line); border-radius: 12px; padding: 14px; box-shadow: var(--shadow); min-width: 0; }
.kpi .label { color: var(--muted); font-size: .85rem; }
.kpi .value { font-size: 1.45rem; font-weight: 650; font-variant-numeric: tabular-nums; }
.kpi .sub { color: var(--muted); font-size: .8rem; margin-top: 2px; }

.bar { height: 8px; background: var(--line); border-radius: 99px; overflow: hidden; margin-top: 8px; }
.bar > span { display: block; height: 100%; background: var(--accent); border-radius: 99px; }
.bar.over > span { background: var(--out); }
.bar.warn > span { background: var(--warn); }

table { width: 100%; border-collapse: collapse; }
th, td { padding: 7px 6px; border-bottom: 1px solid var(--line); text-align: left; vertical-align: middle; }
th { font-size: .8rem; color: var(--muted); font-weight: 600; }
tr.group td { background: var(--accent-soft); font-weight: 600; }
tr.done td { color: var(--muted); }
tr.done td.name { text-decoration: line-through; }
tfoot td { font-weight: 650; border-bottom: 0; }
.table-wrap { overflow-x: auto; }

.badge { display: inline-block; font-size: .72rem; padding: 1px 7px; border-radius: 99px; background: var(--accent-soft); color: var(--accent); margin-left: 4px; white-space: nowrap; }
.badge.kk { background: var(--kk-bg); color: var(--kk-fg); }
.badge.var { background: var(--var-bg); color: var(--var-fg); }
.badge.opt { background: var(--opt-bg); color: var(--opt-fg); }

.btn {
  background: var(--accent); color: var(--on-accent); border: 0; border-radius: 8px; padding: 7px 14px; cursor: pointer; font-weight: 600;
}
.btn.ghost { background: transparent; color: var(--accent); border: 1px solid var(--line); font-weight: 500; }
.btn.danger { background: var(--out); }
.btn.small { padding: 3px 9px; font-size: .85rem; }
.icon-btn { background: none; border: 0; cursor: pointer; color: var(--muted); padding: 2px 6px; border-radius: 6px; }
.icon-btn:hover { background: var(--accent-soft); color: var(--text); }
.toolbar { display: flex; gap: 8px; flex-wrap: wrap; align-items: center; margin-bottom: 12px; }
.toolbar .spacer { flex: 1; }

input[type=text], input[type=number], input[type=date], input[type=url], input[type=password], select, textarea {
  background: var(--card); border: 1px solid var(--line); border-radius: 8px; padding: 6px 8px; width: 100%;
}
input.inline { width: 100px; padding: 3px 6px; text-align: right; }
input[type=checkbox] { width: 18px; height: 18px; accent-color: var(--accent); vertical-align: middle; cursor: pointer; }
label.field { display: block; margin-bottom: 10px; }
label.field > span { display: block; font-size: .82rem; color: var(--muted); margin-bottom: 3px; }
.row { display: flex; gap: 10px; }
.row > * { flex: 1; }
.check { display: inline-flex; align-items: center; gap: 6px; margin-right: 14px; cursor: pointer; }
.months { display: grid; grid-template-columns: repeat(6, 1fr); gap: 4px; }
.months label { font-size: .85rem; display: flex; align-items: center; gap: 4px; }

dialog { border: 0; border-radius: 14px; padding: 0; background: var(--card); color: var(--text); width: min(520px, calc(100vw - 32px)); box-shadow: 0 10px 40px rgb(0 0 0 / 30%); }
dialog::backdrop { background: rgb(0 0 0 / 40%); }
dialog form { padding: 18px; }
dialog .actions { display: flex; gap: 8px; justify-content: flex-end; margin-top: 14px; }
dialog .actions .left { margin-right: auto; }

.legend { list-style: none; margin: 0; padding: 0; font-size: .85rem; }
.legend li { display: flex; align-items: center; gap: 6px; padding: 2px 0; }
.legend .dot { width: 10px; height: 10px; border-radius: 3px; flex: none; }
.legend .num { margin-left: auto; }
.donut-wrap { display: flex; gap: 16px; align-items: center; flex-wrap: wrap; }
.donut-wrap svg { flex: none; }
.donut-wrap .legend { flex: 1; min-width: 180px; }
svg text { fill: var(--muted); font-size: 10px; }
.chart-bars rect.in { fill: var(--in); opacity: .75; }
.chart-bars rect.out { fill: var(--out); opacity: .75; }
.chart-bars .current { fill: var(--accent-soft); }
.spark { stroke: var(--accent); fill: none; stroke-width: 2; }

.weeks { display: grid; grid-template-columns: repeat(auto-fit, minmax(110px, 1fr)); gap: 8px; margin-top: 10px; }
.week { border: 1px solid var(--line); border-radius: 10px; padding: 8px; font-size: .85rem; }
.week b { display: block; font-size: 1rem; font-variant-numeric: tabular-nums; }

.list-plain { list-style: none; padding: 0; margin: 0; }
.list-plain li { display: flex; justify-content: space-between; gap: 8px; padding: 5px 0; border-bottom: 1px solid var(--line); }
.list-plain li:last-child { border-bottom: 0; }
.empty { padding: 20px; text-align: center; color: var(--muted); }

#toast {
  position: fixed; left: 50%; bottom: 20px; transform: translateX(-50%) translateY(80px);
  background: #222; color: #fff; padding: 8px 16px; border-radius: 8px; transition: transform .2s; z-index: 20;
  visibility: hidden;
}
#toast.show { transform: translateX(-50%) translateY(0); visibility: visible; }

@media (max-width: 640px) {
  .hide-sm { display: none; }
  .kpi .value { font-size: 1.2rem; }
  .month-nav .month-label { min-width: 120px; }
}
@media print {
  .top, .toolbar, .icon-btn, .btn { display: none !important; }
  body { background: #fff; }
  .card { box-shadow: none; }
}

/* Tabellenblätter: Zellen zum direkten Eintippen */
.sheet td { padding: 3px 4px; }
.sheet td.chk, .sheet th.chk { width: 30px; text-align: center; }
.sheet td.name { min-width: 170px; }
.sheet td.amount { width: 120px; }
.sheet td.due { width: 120px; }
.sheet tr.group td { padding: 6px 6px; }
.sheet tfoot td { padding: 6px 4px; }
.sheet input.cell {
  width: 100%; border: 1px solid transparent; background: transparent; border-radius: 6px; padding: 4px 6px;
}
.sheet input.cell.num { text-align: right; font-variant-numeric: tabular-nums; }
.sheet input.cell:hover { border-color: var(--line); }
.sheet input.cell:focus { border-color: var(--accent); background: var(--card); outline: none; }
.cell::-webkit-outer-spin-button, .cell::-webkit-inner-spin-button { -webkit-appearance: none; margin: 0; }
.cell[type=number] { -moz-appearance: textfield; appearance: textfield; }
tr.done .cell { color: var(--muted); }
tr.done td.name .cell { text-decoration: line-through; }
.cell-badges:empty { display: none; }
.cell-badges { padding: 0 6px; }
.link-btn { background: none; border: 0; color: var(--accent); cursor: pointer; padding: 4px 6px; text-decoration: underline dotted; }
.sheet-grid { display: grid; gap: 12px; grid-template-columns: minmax(0, 1fr); }
@media (min-width: 1000px) { .sheet-grid { grid-template-columns: minmax(0, 3fr) minmax(0, 2fr); } }
.months-strip { display: grid; grid-template-columns: repeat(auto-fill, minmax(84px, 1fr)); gap: 6px; }
.month-cell { border: 1px solid var(--line); border-radius: 8px; padding: 6px 8px; display: flex; flex-direction: column; font-variant-numeric: tabular-nums; }
.month-cell.current { border-color: var(--accent); background: var(--accent-soft); }
.theme-btn { min-width: 40px; }

/* Kopfzeile: Aktionen, Anmeldung */
.top-actions { display: flex; align-items: center; gap: 6px; flex-wrap: wrap; }
.top-btn { background: rgb(255 255 255 / 15%); border: 0; color: #fff; border-radius: 8px; padding: 6px 10px; cursor: pointer; }
.top-btn:hover, .month-nav button:hover { background: rgb(255 255 255 / 25%); }
body.logged-out .app-only { display: none !important; }
body.logged-out .top { padding-bottom: 10px; }
.auth-card { max-width: 400px; margin: 40px auto; }
.auth-card h2 { margin-top: 0; }
.form-error { color: var(--out); min-height: 1.2em; margin: 6px 0; font-size: .9rem; }
.hint { font-size: .82rem; color: var(--muted); margin: 4px 0 10px; }
.secret { font-family: ui-monospace, Consolas, monospace; font-size: 1.05rem; letter-spacing: .08em; background: var(--accent-soft); padding: 8px 10px; border-radius: 8px; word-break: break-all; }
:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; }
@media (min-width: 1000px) { .sheet-grid > div:last-child .sheet .note { display: none; } }
.oder { text-align: center; color: var(--muted); font-size: .85rem; margin: 12px 0 8px; display: flex; align-items: center; gap: 10px; }
.oder::before, .oder::after { content: ''; flex: 1; border-top: 1px solid var(--line); }